Finding the Fourth Proportional to 1,043,853,887.66, 1,566,391,398.14 and 389,257,143.98
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Solution
The fourth proportional to 1,043,853,887.66, 1,566,391,398.14 and 389,257,143.98 is: 584,113,398.63
Step by Step Solution
- Step 1: Write the proportion equation
1,043,853,887.66 : 1,566,391,398.14 = 389,257,143.98 : x - Step 2: Convert to fraction form
1,043,853,887.66/1,566,391,398.14 = 389,257,143.98/x - Step 3: Cross multiply
1,043,853,887.66x = 1,566,391,398.14 × 389,257,143.98 - Step 4: Simplify right side
1,043,853,887.66x = 609,729,041,994,815,616 - Step 5: Solve for x
x = 609,729,041,994,815,616/1,043,853,887.66 - Step 6: Final answer
x = 584,113,398.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.